PNG files couldn't be read anymore

2013-01-11 00:33:43 +01:00
parent 5aeedda116
commit 5e261ce8d4
1 changed files with 10 additions and 0 deletions
--- a/rtengine/imageio.cc
+++ b/rtengine/imageio.cc
@@ -178,6 +178,16 @@ int ImageIO::getPNGSampleFormat (Glib::ustring fname, IIOSampleFormat &sFormat,
        return IMIO_HEADERERROR;
    }

+    if (setjmp (png_jmpbuf(png))) {
+        png_destroy_read_struct (&png, &info, &end_info);
+        fclose (file);
+        return IMIO_READERROR;
+    }
+
+    //set up png read
+    png_set_read_fn (png, file, png_read_data);
+    png_set_sig_bytes (png,8);
+
    png_read_info(png,info);

    //retrieving image information